QTH: near Oral, SD
Class: Amateur Extra
AMSAT # 41247
QRP ARCI # 16638
NAQCC # 9880
Firefly # 61
RPi3 - DS3231 Real Time Clock Module
Type into the terminal, "sudo raspi-config" then arrow down to "Interface Options" and select "I2C" and turn it on, then exit out of Raspi-Config.
Type into terminal, "sudo reboot" to restart the RPi3.
Type into the terminal, "sudo apt-get install i2c-tools"
Type into terminal, "sudo i2cdetect -y 1" to check that your newly added RTC is recognized by the Pi. If you see the "68" your RTC is recognized by the Pi and is visible to the system.
Type into the terminal, "sudo /boot/config.txt
Scroll to the bottom of the page and add:
# Real Time Clock
Hold down the CTRL key and press X, save the file with the default name of /boot/config.txt
Type into the terminal, "sudo reboot" to restart the Pi